Four A-29 Super Tucanos arrive in Kabul, Afghanistan, March 20, 2017, before the beginning of the 2017 fighting season. The aircraft will bolster the Afghan air force's inventory from eight to 12 A-29s in country. Airmen from Train, Advise, Assist Command-Air, as part of Resolute Support Mission, work in tandem with their Afghan counterparts fostering a working relationship and fortifying confidence in the mission. (U.S. Air Force photo/Senior Airman Jordan Castelan)